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Thread: Is this low psi?

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    Join Date
    Feb 2012
    Location
    Stowe, VT
    Posts
    59

    Is this low psi?

    Hey guys, I'm curious to know if you think if 9 psi is too low on a cartridge filter. (filters are a year old). This is my first year dealing with the pool so I don't know what it normally runs at. I just started the summerizing of the pool yesterday and noticed it ran at 9. Good suction on the skimmers and good on the return. I checked and cleaned out the impeller before starting it up. I do realize what could cause a low psi, but is it worth worrying about?


    Hayward Super Pump model#: C48K2N143B1
    HP: 1
    Pentair cartridge filter: S8M150
    32,000 gallons
    inground vinyl
    69,000 Gal gunite indoor IG pool.
    5 HP Emerson - Pentair Triton II Commercial TR140c Sand Filter x2
    5,000 Gal gunite outdoor IG hot tub
    2 HP Sta-Rite - Pentair Triton II Commercial TR140c Sand Filter

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    duraleigh's Avatar
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    Apr 2007
    Location
    Sebring, Florida
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    30,084

    Re: Is this low psi?

    I would say it is about right. Must be a fairly large filter. My clean psi is 10.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  3. Back To Top    #3

    Join Date
    Feb 2012
    Location
    Stowe, VT
    Posts
    59

    Re: Is this low psi?

    It is a decently large filter IMO. But it actually uses 2, which I've never seen, 1 large one, and 1 smaller that fits in the middle of that.

    69,000 Gal gunite indoor IG pool.
    5 HP Emerson - Pentair Triton II Commercial TR140c Sand Filter x2
    5,000 Gal gunite outdoor IG hot tub
    2 HP Sta-Rite - Pentair Triton II Commercial TR140c Sand Filter

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    bobodaclown's Avatar
    Join Date
    Apr 2011
    Location
    Lakeland, FL
    Posts
    2,351
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Dolphin Nautilus Plus with CleverClean, Lakeland Florida

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